> For the complete documentation index, see [llms.txt](https://black-paper.rgb.tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://black-paper.rgb.tech/other-information/11.-governance/11.2.-ossification-and-upgradability.md).

# 11.2. Ossification & upgradability